<div class="grid_18">
    <h2>ROOT</h2>
</div>  

<div class="center_element block1">

    <p>Proin pulvinar pellentesque mi, sed elementum massa lobortis in. Vivamus elit arcu, adipiscing id congue eu, laoreet et tellus? Pellentesque faucibus ante id orci tristique ullamcorper? Quisque iaculis tempor dolor, eu tristique tellus faucibus ut. Ut sit amet accumsan tellus. Aenean id mi purus, et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. Nulla libero mauris, fringilla at volutpat sit amet, porttitor vitae quam. Cras in luctus ligula. Phasellus ac nibh et urna semper tristique.</p>
</div>

<div class="grid_18">
    <h2>CATEGORY 1</h2>
</div>

<div class="grid_9 alpha">
    <div class="center_element block1">
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N
    </div>
</div>

<div class="grid_9 omega">
    <div class="center_element block1">
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N    </div>
</div>    

<div class="grid_9 alpha">
    <div class="center_element block1">
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N
    </div>
</div>

<div class="grid_9 omega">
    <div class="center_element block1">
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N    </div>
</div>    

<div class="grid_18 ">
    <h2>CATEGORY 2</h2>
</div>

<div class="grid_9 alpha">
    <div class="center_element block1">
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N
    </div>
</div>

<div class="grid_9 omega">
    <div class="center_element block1">
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N    </div>
</div>        

<div class="grid_9 alpha">
    <div class="center_element block1">
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N
    </div>
</div>

<div class="grid_9 omega">
    <div class="center_element block1">
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N
        et ullamcorper diam. Curabitur diam tortor, pharetra id gravida blandit, adipiscing vitae ligula. In scelerisque condimentum turpis quis viverra. N    </div>
</div>      

<div class="grid_18 ">
    <h2>GIAN HANG</h2>
</div>

<div class="grid_6 alpha">
    <div class="center_element block1">
        <p>Proin pulviviverra. Nulla libero mauris, fringilla at volutpat sit amet, porttitor vitae quam. Cras in luctus ligula. Phasellus ac nibh et urna semper tristique.</p>
    </div>
</div>

<div class="grid_6">
    <div class="center_element block1">
        <p>Proin pulviviverra. Nulla libero mauris, fringilla at volutpat sit amet, porttitor vitae quam. Cras in luctus ligula. Phasellus ac nibh et urna semper tristique.</p>
    </div>
</div>    

<div class="grid_6 omega">
    <div class="center_element block1">
        <p>Proin pulviviverra. Nulla libero mauris, fringilla at volutpat sit amet, porttitor vitae quam. Cras in luctus ligula. Phasellus ac nibh et urna semper tristique.</p>
    </div>
</div>      